Victoria Falls (or Mosi-oa-Tunya (Tokaleya Tonga: the Smoke that Thunders) is a waterfall in southern Africa on the Zambezi River at the border of Zambia and Zimbabwe. While it is neither the highest nor the widest waterfall in the world, it is claimed to be the largest. This claim is based on a width of 1,708 metres and height of 108 metres, forming the largest sheet of falling water in the world. The falls' maximum flow rate compares well with that of other major waterfalls.